The density of water has its maximum value at 4° C because a. the thermal motion

Question

The density of water has its maximum value at 4° C because

a. the thermal motion of the molecules overcomes the hydrogen bonds and allows the molecules to approach each other more closely.

b. the thermal motion of the molecules is much greater that the energy of the hydrogen bonds and allows the molescule a great deal of freedom of motion.

c. covalent bonds begin breaking at this temperature.

d. the molecules are trapped in place by very strong hydrogen bonds.

e. the maximum number of hydrogen bonds exists between the molecules at this temperature.

Explanation / Answer

a

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